The product is a precision solar system EagleMoss orrery spare part for Mercury, designed for enthusiasts aged 14 years and above. Made of brass and originating from China, this unassembled part is a valuable addition to any orrery collection or for those looking to create their own model solar system. With a period of 1951 to present, this spare part reflects a dedication to craftsmanship and attention to detail in recreating the intricate beauty of our solar system.